Tag Archives: Adolfo Heeren

Anglo American produces first copper concentrate from Quellaveco

Anglo American plc has announced first production of copper concentrate from its Quellaveco project in Peru – a major milestone as Quellaveco nears completion ahead of receiving final regulatory clearance for commercial operations to begin.

Tom McCulley, who has led Anglo American’s development of Quellaveco, said: “First copper production at Quellaveco is a key milestone in our delivery of this world-class asset, on time and on budget. The fact that we are today producing copper less than four years after project approval, including through two years of considerable pandemic-related disruption, is testament to the strength of our commitment to our workforce, local communities, the Moquegua region and government stakeholders in Peru. This first production of copper concentrate marks the beginning of the normal period of testing the processing plant with ore and the ramping up of mining activities to demonstrate readiness for operations.”

Adolfo Heeren, CEO of Anglo American in Peru, added: “Quellaveco is a project for all of Peru and especially for the Moquegua region. Once in full operation, Quellaveco alone will increase Peru’s copper production by around 10%, and deliver sustainable benefits for decades to come, including 2,500 direct jobs, the incorporation of local suppliers into our supply chain, the increase of water sources for human consumption and irrigation, digital connectivity, the expansion of agricultural areas and tax revenues. By working together in partnership, we will deliver enduring positive outcomes for all our stakeholders.”

Quellaveco is an open-pit copper mine located in the Moquegua region in the south of Peru. Construction started in 2018, with estimated total capex of $5.5 billion, which includes the $600 million additional cost of managing the impacts of the COVID-19 pandemic since 2020. In 2021, Anglo American also approved the construction of a Coarse Particle Recovery plant to allow retreatment of coarse particles from flotation tailings to further enhance copper recovery rates. Other technology innovations include the use of autonomous haulage operations – with a fleet of Caterpillar 794 ACs – and autonomous drilling operations – with Epiroc Pit Viper 351s. These are being overseen by an Integrated Operations Centre which recently started up.

Quellaveco is expected to produce 300,000 t/y of copper-equivalent on average over the first 10 years of operation, at a highly competitive C1 unit cost of circa $0.95/lb over the first five years once the operation reaches full production capacity.

Quellaveco has an estimated 1,700 Mt of reserves, 8.9 Mt of contained copper at 0.53% TCu, and a 36-year reserve life, with potential for further expansion given its estimated additional resources at 1,600 Mt, containing 6.1 Mt copper (at 0.38% TCu).

Anglo American expects that Quellaveco will reach design production capacity in 12 months. Production guidance for 2022 is 100,000–150,000 t of copper at a C1 unit cost of circa $1.35/lb. Production guidance for 2023 and 2024 is 320,000–370,000 t.

Quellaveco is owned 60:40 between Anglo American and Mitsubishi Corporation.

Anglo American signals design changes at Woodsmith polyhalite project

Anglo American has outlined plans to change elements of the design at its Woodsmith polyhalite project in the UK, which will have a bearing on both the sinking of the two main shafts and development of the underground mining area at the project.

The company has been running a detailed technical review on Woodsmith since mid-2020 to ensure the technical and commercial integrity of the full scope of its design. This followed the acquisition of the asset as part of a takeover of Sirius Minerals earlier that year.

“Now largely complete, the review has confirmed the findings of Anglo American’s due diligence that a number of elements of the project’s design would benefit from modification to bring it up to Anglo American’s safety and operating integrity standards and to optimise the value of the asset for the long term,” the company said.

Anglo is also making a change to the leadership at Woodsmith following its integration into Anglo American and ahead of the full project execution phase. Tom McCulley, who has led the development of the Quellaveco copper project in Peru, will take over from Chris Fraser as CEO of Crop Nutrients. This will see Fraser step aside and take on a strategic projects role for Anglo.

“The Woodsmith team is further developing the engineering to optimise the configuration of the project, recognising the multi-decade life of the mine,” Anglo said.

Particular attention is on the aspects identified at the outset of Anglo American’s ownership – namely, the sinking of the two main shafts, the development of the underground mining area, and the changes required to accommodate both increased production capacity and the more efficient and scalable mining method of using only continuous miners, it said.

The sinking of the two main shafts is due to be carried out using Herrenknecht’s Shaft Boring Roadheader (SBR) technology. DMC Mining, a company familiar with the technology thanks to its work sinking shafts at Jansen in Saskatchewan, Canada, was previously tasked with sinking the production and service shaft, each around 1,500 m deep, and two smaller shafts associated with the materials transport system, each approximately 350 m deep. Its contract was ended in 2020.

These improvements will, the company said, require the installation of additional ventilation earlier in the development of the underground mining area.

“Anglo American expects that these changes to the design of the mine infrastructure – which will result in a different, enhanced configuration and therefore a different construction and production ramp-up schedule – will ensure that its exacting standards are met and the full commercial value of the asset is realised,” the company said.

Mark Cutifani, Chief Executive of Anglo American, said: “We are very happy with the high quality and exciting potential of Woodsmith, with the scale and quality of the polyhalite orebody pointing to a quartile one operating cost position and strong margins. This is a very long-life asset and we are going to take the necessary time to get every aspect of the design right to match our long-term vision and value aspirations.

“We have said from the outset that we expect to make improvements and that we will execute certain elements of the construction differently and with a more conservative schedule. We expect to have completed our design engineering, capital budget and schedule at the end of 2022, with a fully optimised value case that recognises the upside potential we see in Woodsmith, and we will then submit the full project to the board.”

In the meantime, construction of the major critical path elements of the project, principally the two main shafts and the mineral transport tunnel, is progressing, with approximately $700 million of capital expected to be invested in 2022, Anglo said.

The plan at Woodsmith under previous owners Sirius was to extract polyhalite via two mine shafts and transport this outside of the National Park to Teesside on a conveyer belt system in an underground tunnel. It would then be granulated at a materials handling facility, with the majority being exported to overseas markets. The company was previously aiming to achieve first product from the mine by the end of 2021, ramping up to an initial production capacity of 10 Mt/y and then full production of 20 Mt/y.

The changes to McCulley’s and Fraser’s roles are effective January 1, 2022. Anglo American has appointed Adolfo Heeren as CEO of Anglo American in Peru, effective from the same date. Heeren will work together with McCulley during the first half of 2022 to ensure a smooth transition from the construction and commissioning phase of Quellaveco into operations, expecting first copper production in mid-2022.